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Microsurgical Clip Obliteration of Middle Cerebral Aneurysm Using Intraoperative Flow Assessment
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Intraoperative left hepatic branch artery aneurysm rupture discovered during cholecystectomy: a case report of a rare

Bruno Matos Santos1, Alexis Poirier1, Michaël Racine1

  • 1Department of Digestive Surgery, Geneva University Hospitals (HUG), Geneva 1205, Switzerland.

Journal of Surgical Case Reports
|January 28, 2026
PubMed

Hepatic artery aneurysm (HAA) is a rare but potentially lethal condition, accounting for ~20% of visceral aneurysms, with a reported rupture rate of up to 44%. Its pathophysiology remains incompletely understood, though risk factors include atherosclerosis, trauma, infection, connective tissue disorders, and iatrogenic causes. Clinical presentation varies from asymptomatic to abdominal pain, gastrointestinal symptoms, or biliary obstruction. Angiography-CT is the diagnostic modality of choice. Management is guided by symptoms, aneurysm size, and rupture status, ranging from observation to endovascular or surgical interventions. We report a case of hemoperitoneum due to a ruptured HAA that was incidentally discovered during a laparoscopic cholecystectomy.

Keywords:
cholecystectomyhepatic arteryhepatic artery aneurysmsplanchnic artery

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